2017 C300 coupe odd noise when accelerating that going away at higher speeds

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Old 10-02-2018, 03:26 PM
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C300 Coupe
Exclamation 2017 C300 coupe odd noise when accelerating that going away at higher speeds

Hi There, after years of saving and odd jobs I was finally able to afford a 2017 C300 Coupe, love the new shape so happy it took so long. I bought it used, came off a purchase with trade-in from Mercedes. Car is still under warranty.

Since its my first Benz, not sure if this is normal. On a cold start in the morning I hear a faint fan-type noise every time push the gas pedal. The harder I push the faster it gets(but very faint), until the car get to about 45-50 mph. After driving for about 15 minutes it doesn't return on boot-up again.

Any ideas what this could be?
Old 10-10-2018, 11:24 AM
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2015 C300
I have the same exact issue. I gave the car in for service this morning
Old 10-15-2018, 11:16 AM
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Originally Posted by realness101
I have the same exact issue. I gave the car in for service this morning
Did you end up getting a response from them what was causing the noise and what the issue was? Is there a repair, is there a warranty fix for this?
Old 01-30-2019, 04:39 PM
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C-350





Old 01-30-2019, 04:41 PM
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C-350
This is my 2014 C-350 for sale. Loved the car but upgraded to a C63! I don’t need two Mercedes so feel free to take her off my hands lol!

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